<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="root"></div>
    <script
      crossorigin
      src="https://unpkg.com/react@17.0.2/umd/react.development.js"
    ></script>
    <script
      crossorigin
      src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"
    ></script>
    <script src="./babel.min.js"></script>
    <script type="text/babel">
      function handle(e) {
        console.log(e)
        console.log(e.target)
        e.preventDefault()
      }
      const div = (
        <div>
          <button onClick={handle}>按钮</button>
          <a href="" onClick={handle}>链接</a>
          {/*注释*/}
        </div>
      )
      ReactDOM.render(div,document.getElementById("root"))
    </script>
  </body>
</html>
